\\[-1.8ex] Soil Heterogeneity & $-$0.086$^{***}$ & $-$0.086$^{***}$ & $-$0.076$^{**}$ & $-$0.076$^{**}$ \\ 
  & (0.032) & (0.032) & (0.032) & (0.032) \\ 
\\[-1.8ex]
Dependent Variable Mean & 0.14 & 0.14 & 0.14 & 0.14 \\ 
Dependent Variable SD & 0.13 & 0.13 & 0.12 & 0.12 \\ 
Observations & 23,443 & 23,446 & 23,452 & 23,452 \\ 
R$^{2}$ & 0.377 & 0.376 & 0.366 & 0.366 \\ 
